英语词汇pectoral fin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pectoral fin
释义	pectoral finn.（名词） Either of the anterior pair of fins attached to the pectoral girdle of fishes, corresponding to the forelimbs of higher vertebrates.胸鳍：一对紧附于鱼的环状胸骨的前鳍且与更高等的脊椎动物的前肢相对应的任一个
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